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Perfect One-Bowl Banana Bread with Sour Cream

banana bread with sour cream - featured image

This incredibly moist, tangy-sweet banana bread uses sour cream for a bakery-quality texture. Made in one bowl with simple pantry ingredients, it’s a forgiving, foolproof recipe that delivers perfect results every time.

Ingredients

Scale
  • 3 medium overripe bananas (about 1 ½ cups mashed)
  • 1 ½ cups all-purpose flour (190g)
  • ¾ cup granulated sugar (150g)
  • ½ cup sour cream (120g)
  • ⅓ cup unsalted butter, melted (75g)
  • 2 large eggs, room temperature
  • 1 teaspoon baking soda
  • 1 teaspoon vanilla extract
  • ½ teaspoon salt
  • ½ cup optional mix-ins (chocolate chips, chopped walnuts, pecans, or dried fruit)

Instructions

  1. Preheat oven to 350°F (175°C). Grease a 9×5-inch loaf pan with butter or non-stick spray, then line with parchment paper, leaving an overhang on the two long sides.
  2. In a large mixing bowl, mash the bananas with a potato masher or fork until mostly smooth (a few lumps are fine). You should have about 1 ½ cups.
  3. Add melted butter, sour cream, eggs, and vanilla extract to the mashed bananas. Whisk until smooth and well combined.
  4. Sprinkle sugar, flour, baking soda, and salt over the wet mixture. Fold gently with a rubber spatula until no streaks of flour remain. Do not overmix.
  5. If using mix-ins, gently fold them in with a few broad strokes.
  6. Scrape batter into the prepared loaf pan and spread into an even layer. Tap the pan gently on the counter to release air bubbles.
  7. Bake for 50-60 minutes, until a toothpick inserted in the center comes out clean or with a few moist crumbs. If browning too quickly, tent with foil at 40 minutes.
  8. Cool in the pan for 15 minutes, then use parchment handles to lift the bread out and transfer to a wire rack to cool completely before slicing.

Notes

Use very ripe, heavily spotted bananas for best flavor. Do not overmix the batter once flour is added. Let bread cool completely before slicing to prevent crumbling. Room temperature ingredients ensure smooth batter. Store wrapped at room temperature for up to 4 days. Freezes well for up to 3 months.

Nutrition

Keywords: banana bread, sour cream banana bread, one bowl banana bread, easy banana bread, moist banana bread, bakery style banana bread